When thinking about the GSO Eight Cassegrain telescope, its worthwhile to look back to Laurent Cassegrain who was a 17th century French Roman Catholic priest and is given credit for inventing the telescope design that carries his name. Cassegrain telescopes use a parabolic primary mirror with a hyperbolic secondary mirror. […]
It is not often we see something that throws us off a little bit, ok a lot of bit in this instance! We were visiting the Tele Vue blog when we came across a post about Clyde M. Bone, Jr. and his custom built Mersenne reflecting telescopes. What is a […]
We’ve all learned that you should only clean a telescope mirror when it is absolutely necessary, for fear of harming those delicate coatings. If you’ve got a reflector and you want a clean a telescope mirror, there’s no lack of recommendations for solutions to use – and the techniques are […]
Yes, you read that right, it’s a Revolution Imager Fine Finger Feather Focuser. At ATT, we love a cool, handy new product. And if you add alliteration to it, we are all in! All kidding aside, the team at Revolution Imager has come up with a nifty tool that provides […]
CFF Telescopes has announced that it will produce a limited edition binoscope based on its 135mm f6.7 Triplet Refractor design. The CFF Telescopes binoscopes are built around two of these optical tube assemblies and shortened to accommodate a 3-inch fusion image system. By using the maximum practical aperture for the […]
Orion Dielectric Twist-Tight Mirror Telescope Diagonals Orion has given its dielectric mirror diagonals a new twist – literally! With their twist-tight clamping mechanism, Orion Dielectric Twist-Tight Mirror Star Diagonals are a significant upgrade from typical thumbscrew-equipped diagonals. A simple clockwise twist of the knurled red-aluminum collar precisely centers any inserted […]
CFF Telescopes Apo Refractor Telescopes Whether you are a resolute visual observer or dedicated astro-imager, refractor telescopes offer unique advantages. But, the physics of light being what they are, no single refractor is best at both pursuits, and given the understandable recent market focus on refractors for astrophotography, those of […]